N(n-1)+3(n-1) factor the polynomial

The properly factored form of this would be (n + 3)(n -1)

Step-by-step explanation:

When you have two terms being multiplied by the same polynomial, you can combine those terms into a polynomial of their own. So since n and 3 were both being multiplied by (n - 1), we can put them in the same parenthesis and multiply them with the parenthesis given.

4th option is correct xy=-10

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